I have a Raspberry Pi 5 running a Bitcoin node. I’ll have to check the recommended specs to see if it could handle a relay too.
Discussion
nostr:nprofile1qqsyv47lazt9h6ycp2fsw270khje5egjgsrdkrupjg27u796g7f5k0spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgjwaehxw309ac82unsd3jhqct89ejhxqgnwaehxw309aex2mrp09skymr99ehhyecusqvd6 should be able to advise, they also have group onboarding sessions twice a week which I found helpful
you can find them at https://cal.com/getalby !